public async Task <ClusterResult> ExecuteAsync(IRequestContext context, Func <IRequestContext, Task <ClusterResult> > next)
{
var replicas = clusterProvider.GetCluster();
if (replicas == null || replicas.Count == 0)
{
LogReplicasNotFound(context);
return(ClusterResult.ReplicasNotFound(context.Request));
}
var contextImpl = (RequestContext)context;
var contextualSender = new ContextualRequestSender(requestSender, contextImpl);
var maxReplicasToUse = context.MaximumReplicasToUse;
var orderedReplicas = replicaOrdering.Order(replicas, storageProvider, contextImpl.Request, contextImpl.Parameters);
var limitedReplicas = orderedReplicas.Take(maxReplicasToUse);
await contextImpl.Parameters.Strategy.SendAsync(
contextImpl.Request,
contextImpl.Parameters,
contextualSender,
contextImpl.Budget,
limitedReplicas,
Math.Min(replicas.Count, maxReplicasToUse),
context.CancellationToken)
.ConfigureAwait(false);
context.CancellationToken.ThrowIfCancellationRequested();
var replicaResults = contextImpl.FreezeReplicaResults();
var selectedResponse = responseSelector.Select(contextImpl.Request, context.Parameters, replicaResults);
var resultStatus = resultStatusSelector.Select(replicaResults, contextImpl.Budget);
return(new ClusterResult(resultStatus, replicaResults, selectedResponse, context.Request));
}
public void Should_return_result_with_status_given_by_result_status_selector(ClusterResultStatus status)
{
resultStatusSelector.Select(null, null).ReturnsForAnyArgs(status);
Execute().Status.Should().Be(status);
}